CN203771836U - Evaporator long-time running defroster of high-and-low temperature test facility - Google Patents
Evaporator long-time running defroster of high-and-low temperature test facility Download PDFInfo
- Publication number
- CN203771836U CN203771836U CN201420112830.9U CN201420112830U CN203771836U CN 203771836 U CN203771836 U CN 203771836U CN 201420112830 U CN201420112830 U CN 201420112830U CN 203771836 U CN203771836 U CN 203771836U
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- Prior art keywords
- evaporimeter
- condenser
- evaporator
- compressor
- test facility
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Abstract
The utility model discloses an evaporator long-time running defroster of a high-and-low temperature test facility. The evaporator long-time running defroster comprises an evaporator, a condenser, a compressor and a condensing cabinet, wherein the compressor is provided with an exhaust hole and an air return hole, the vent hole is communicated with the condenser through an exhaust duct, the condenser is communicated with the evaporator through a first pipe, and the evaporator is placed in the condensing cabinet; the evaporator long-time running defroster is characterized in that the evaporator is communicated with the air return hole through an air return pipe, the air return pipe is connected with a booster pump at a part adjacent to the condenser and further connected with a gas-pressure meter at a part adjacent to the compressor, a solenoid valve is electrically connected between the gas-pressure meter and the booster pump, and the gas-pressure meter completely controls on and off of the solenoid valve. When the gas-pressure meter measures that the air return pressure of the refrigerating compressor is insufficient, the solenoid valve is opened, and then the booster pump starts running to pressurize air in the air return pipe, so that temperature in the evaporator is not too low, the evaporator is prevented from icing, and then the compressor keeps the refrigerating effect.
Description
Technical field
The utility model relates to a kind of low-and high-temp test facility evaporimeter and moves for a long time anti-icing equipment.
Background technology
Current common evaporimeter is when refrigeration plant normally freezes, when low temperature drops to-40 when following, the back pressure of compressor must drop to 0kg left and right, temperature in the evaporimeter in this time also can drop to-40 about degree, and evaporator surface will dewfall, when low temperature test experimental period surpasses more than 8 hours, the dewfall of evaporimeter can increase gradually, when dew becomes ice, evaporimeter will be encased by ice is whole, and this time, evaporimeter did not just have the effect of evaporation, and that compressor will not freeze.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of low-and high-temp test facility evaporimeter and moves for a long time anti-icing equipment, the back pressure of compressor can be uprised automatically, and evaporimeter can not frozen.
The utility model is that the technical scheme that its technical problem of solution adopts is: a kind of low-and high-temp test facility evaporimeter moves anti-icing equipment for a long time, comprise evaporimeter, condenser, compressor and condensation cabinet, compressor is provided with exhaust outlet and gas returning port, exhaust outlet is by discharge duct and condenser UNICOM, condenser is by the first pipeline and evaporimeter UNICOM, evaporimeter is placed in condensation cabinet, it is characterized in that: evaporimeter is by return-air duct and gas returning port UNICOM, position near condensation cabinet on return-air duct connects a booster pump, position near compressor on return-air duct connects an air gauge, between air gauge and booster pump, be electrically connected a magnetic valve, air gauge is controlled the switch of magnetic valve completely.
As further improvement of the utility model, dial plate is pointed in one end of described air gauge pointer, and the other end of pointer is electrically connected magnetic valve.
As further improvement of the utility model, described magnetic valve is provided with a trigger, and the other end of described trigger and air gauge pointer is electrically connected.
As further improvement of the utility model, the position near condensation cabinet on described the first pipeline connects a capillary and a filter successively.
As further improvement of the utility model, in described condenser, be provided with and organize independently condenser pipe more, each condenser pipe is all coiled into helical type, and each condenser pipe is crisscross arranged.
As further improvement of the utility model, between described each condenser pipe, establish thermal insulation board.
The beneficial effects of the utility model are: the utility model is controlled magnetic valve opening and closing by air gauge, when the back pressure of the cold compressor recording when air gauge is not enough, air gauge pointer contacts with trigger, magnetic valve is opened, magnetic valve open after booster pump entry into service by booster pump to the gas boosting in return-air duct, make temperature in evaporimeter not can by very low, keep evaporimeter ceaselessly to operate, the device that avoids evaporating freezes, thereby makes compressor keep refrigeration.
Accompanying drawing explanation
Fig. 1 is the structural representation that low-and high-temp test facility evaporimeter of the present utility model moves anti-icing equipment for a long time;
Fig. 2 is condenser internal structure schematic diagram of the present utility model;
Wherein: 1-evaporimeter; 2-condenser; 3-compressor; 4-condensation cabinet; 5-exhaust outlet; 6-gas returning port; 7-discharge duct; 8-the first pipeline; 9-return-air duct; 10-booster pump; 11-air gauge; 12-magnetic valve; 13-capillary; 14-filter; 15-condenser pipe; 16-thermal insulation board; 17-trigger; 18-pointer.
The specific embodiment
In order to make those skilled in the art person understand better the utility model scheme, and above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with embodiment and embodiment accompanying drawing, the utility model is described in further detail.
As illustrated in fig. 1 and 2: the long-term operation anti-icing equipment of a kind of low-and high-temp test facility evaporimeter 1, comprise evaporimeter 1, condenser 2, compressor 3 and condensation cabinet 4, compressor 3 is provided with exhaust outlet 5 and gas returning port 6, exhaust outlet 5 is by discharge duct 7 and condenser 2 UNICOMs, condenser 2 is by the first pipeline 8 and evaporimeter 1 UNICOM, evaporimeter 1 is placed in condensation cabinet 4, it is characterized in that evaporimeter 1 is by return-air duct 9 and gas returning port 6 UNICOMs, position near condensation cabinet 4 on return-air duct 9 connects a booster pump 10, position near compressor 3 on return-air duct 9 connects an air gauge 11, between air gauge 11 and booster pump 10, be electrically connected a magnetic valve 12, air gauge 11 is controlled the switch of magnetic valve 12 completely.Reduction along with 1 li of temperature of evaporimeter, back pressure in return-air duct 9 reduces gradually, when back pressure is reduced to the air pressure of appointment, the magnetic valve 12 being connected with air gauge 11 is opened, magnetic valve 12 is opened after booster pumps 10 and is started working, and the back pressure in return-air duct 9 is increased, thus the temperature that makes 1 li, evaporimeter not can by very low, the device 1 that effectively avoids evaporating freezes, and guarantees compressor 3 refrigeration.
Dial plate is pointed in one end of described air gauge 11 pointers 18, and the other end of pointer 18 is electrically connected magnetic valve 12.By pointer 18, control the switch of magnetic valve 12.
Described magnetic valve 12 is provided with a trigger 17, and described trigger 17 is electrically connected with the other end of air gauge 11 pointers 18.When voltmeter pointer 18 points to the numerical value of appointment on dial plate one, the other end of pointer 18 contacts with the trigger 17 of magnetic valve 12, and magnetic valve 12 is opened.
Position near condensation cabinet 4 on described the first pipeline 8 connects a capillary 13 and a filter 14 successively.The gas that makes to enter 1 li, evaporimeter by capillary 13 and filter 14 is purer.
In described condenser 2, be provided with and organize independently condenser pipe 15 more, each condenser pipe 15 is all coiled into helical type, and each condenser pipe 15 is crisscross arranged.The increase of 15 groups of numbers of condenser pipe, condensation efficiency greatly improves.
Between described each condenser pipe 15, establish thermal insulation board 16.By thermal insulation board 16, make respectively to organize between condenser pipe 15 and can not influence each other.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not subject to the restriction of embodiment; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify and all should be equivalent substitute mode, within being included in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (6)
1. a low-and high-temp test facility evaporimeter moves anti-icing equipment for a long time, comprise evaporimeter, condenser, compressor and condensation cabinet, compressor is provided with exhaust outlet and gas returning port, exhaust outlet is by discharge duct and condenser UNICOM, condenser is by the first pipeline and evaporimeter UNICOM, evaporimeter is placed in condensation cabinet, it is characterized in that: evaporimeter is by return-air duct and gas returning port UNICOM, position near condensation cabinet on return-air duct connects a booster pump, position near compressor on return-air duct connects an air gauge, between air gauge and booster pump, be electrically connected a magnetic valve, air gauge is controlled the switch of magnetic valve completely.
2. a kind of low-and high-temp test facility evaporimeter according to claim 1 moves anti-icing equipment for a long time, it is characterized in that: dial plate is pointed in one end of described air gauge pointer, and the other end of pointer is electrically connected magnetic valve.
3. a kind of low-and high-temp test facility evaporimeter according to claim 2 moves anti-icing equipment for a long time, it is characterized in that: described magnetic valve is provided with a trigger, and the other end of described trigger and air gauge pointer is electrically connected.
4. a kind of low-and high-temp test facility evaporimeter according to claim 3 moves anti-icing equipment for a long time, it is characterized in that: the position near condensation cabinet on described the first pipeline connects a capillary and a filter successively.
5. a kind of low-and high-temp test facility evaporimeter according to claim 4 moves anti-icing equipment for a long time, it is characterized in that: in described condenser, be provided with and organize independently condenser pipe more, each condenser pipe is all coiled into helical type, and each condenser pipe is crisscross arranged.
6. a kind of low-and high-temp test facility evaporimeter according to claim 5 moves anti-icing equipment for a long time, it is characterized in that: between described each condenser pipe, establish thermal insulation board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112830.9U CN203771836U (en) | 2014-03-13 | 2014-03-13 | Evaporator long-time running defroster of high-and-low temperature test facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112830.9U CN203771836U (en) | 2014-03-13 | 2014-03-13 | Evaporator long-time running defroster of high-and-low temperature test facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771836U true CN203771836U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112830.9U Expired - Fee Related CN203771836U (en) | 2014-03-13 | 2014-03-13 | Evaporator long-time running defroster of high-and-low temperature test facility |
Country Status (1)
| Country | Link |
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| CN (1) | CN203771836U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018076364A1 (en) * | 2016-10-31 | 2018-05-03 | 合肥华凌股份有限公司 | Refrigeration apparatus |
| CN110173870A (en) * | 2019-05-29 | 2019-08-27 | 广东美的制冷设备有限公司 | Control method, air conditioner and the computer readable storage medium of air conditioner |
| CN110631295A (en) * | 2019-09-23 | 2019-12-31 | 珠海格力电器股份有限公司 | Pressure control device and pressure control method |
| CN110657623A (en) * | 2019-11-01 | 2020-01-07 | 浙江合马商用设备有限公司 | Small and exquisite glass refrigerator with hot air dew removal and inclined display goods shelf |
-
2014
- 2014-03-13 CN CN201420112830.9U patent/CN203771836U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018076364A1 (en) * | 2016-10-31 | 2018-05-03 | 合肥华凌股份有限公司 | Refrigeration apparatus |
| CN110173870A (en) * | 2019-05-29 | 2019-08-27 | 广东美的制冷设备有限公司 | Control method, air conditioner and the computer readable storage medium of air conditioner |
| CN110173870B (en) * | 2019-05-29 | 2021-03-19 | 广东美的制冷设备有限公司 | Control method of air conditioner, air conditioner and computer readable storage medium |
| CN110631295A (en) * | 2019-09-23 | 2019-12-31 | 珠海格力电器股份有限公司 | Pressure control device and pressure control method |
| CN110657623A (en) * | 2019-11-01 | 2020-01-07 | 浙江合马商用设备有限公司 | Small and exquisite glass refrigerator with hot air dew removal and inclined display goods shelf |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU FANGZHENG YISIGAO DETECTION INSTRUMENTS CO., LTD. Assignor: JIANGSU FOUNDER YSIC TESTING INSTRUMENT CO., LTD. Contract record no.: 2015320000151 Denomination of utility model: Evaporator long-time running defroster of high-and-low temperature test facility Granted publication date: 20140813 License type: Exclusive License Record date: 20150407 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20170313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |